既然已经了解了如何发布在线状态实体信息以及如何以同步方式检索信息，也应该知道可以采用异步方式检索此信息。
Now that you've seen how to publish presentity information, and how to retrieve the information synchronously, you should know that there is also the option to retrieve the information asynchronously.
这就是同步化状态编辑器中链接项目的信息(见于图17)。
This is for information of Linked Item in synchronization status editor (see Figure 17).
更新的同步界面有统一的外观展现同步进度、同步状态和同步期间发生的任何错误信息——全部在这里展现。
The updated sync interface has a unified appearance that shows you synchronization progress, status, and any errors that may have occurred during synchronization — all in one place.
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